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The wild garden of the gut bacteria

The bacterial community that lives in our gut have been compared to a ‘garden’, a complex ecosystem where diversity of bacteria is healthy, desirable and beautiful. This piece is created using gut bacteria in organic, botanical motifs, to represent this garden. It’s meant to be a motif with an e... Read More

Geometric Growth #agarart2015

Several species of bacteria and fungi were used to create this geometric pattern. Red colors are produced by the pigmented bacteria, Serratia marcescens. Occasionally, inanimate objects have been described as bleeding. The artist Raphael created the painting “The Mass of Bolsena,” where the b... Read More

HOW E. COLI TOUCH ‘NEIGHBORS’ TO DELIVER TOXINS

New research shows how certain microbes exploit proteins in nearby bacteria to deliver toxins and kill them. The mechanisms behind this bacterial warfare, the researchers suggest, could be harnessed to target pathogenic bacteria. Read More

Bifidobacteria micro-flower

Bifidobacterium animalis subsp. lactis is a commercial probiotic widely used that can be found in many functional foods, mainly dairy products. In our research we are interested to know how this bacterium survives under stressing conditions once it is ingested with the food. Therefore, the capab... Read More

Great wave off Candida

Candida albicans is a yeast species that is part of the commensal microbiota of the body. Weakened or impaired immune system can lead to yeast infections mostly produced by Candida albicans, although other species like Candida parapsilosis, Candida glabrata and Candida tropicalis among others ar... Read More

St. Louis at Sunset #agarart2015

BBL’s CHROMagar Orientation agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The white color is Acinetobacter baumanii, an opportunistic bacterium that... Read More

St. Louis at Sunset #agarart2015

BBL’s CHROMagar Orientation agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The white color is Acinetobacter baumanii, an opportunistic bacterium that... Read More

Vincent van Gogh's "The Starry Night" #agarart2015

While not original art, it’s still a fun piece. BBL’s CHROMagar Orientation agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The brown color is Proteus... Read More

Rose #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve rose bud is Staphylococcus aureus, a bacterium frequently found... Read More

Sea Turtle #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The light blue/green sea turtle is Staphylococcus saprophyticus, a bacter... Read More

Stars and Stripes #agarart2015

Stars and Stripes
BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve stripes are Staphylococcus aureus, a bacteri... Read More

Dragonfly #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve part of the dragonfly is Staphylococcus aureus, a bacterium fre... Read More

Thanksgiving

One semester someone unplugged the -70oC freezer used to store my bacterial cultures so I had to streak each culture out to see if it was still viable and make more stocks. Now I had 50 or so plates and was wondering what to do with all these cultures and how to turn something bad into something... Read More

Butterfly #agarart2015

BBL’s CHROMagar Staph Aureus agar is the canvas for this piece of agar art. Chromogens in the agar release a colored compound when hydrolyzed by specific enzymes allowing certain bacteria to appear different colors on it. The mauve part of the butterfly is Staphylococcus aureus, a bacterium fre... Read More

#AGARART2015

A Moderately selective differential media, Hektoen is being used in the isolation Gram negative enteric pathogens ,Particularly Salmonella and Shigella.Bile salts inhibits Gram positive and some non-pathogenic Gram negative organisms making the media partially selective.Lactose,sucrose and sali... Read More

Portraits of Microbiologists Using Luminous Bacteria as "Paint."

My wife Jennifer Quinn​ hits it out the park: a portrait of Kenneth Nealson​ and the late Woody Hastings "painted" with luminous bacteria, giving them props for the early days of quorum sensing---where the basic principles were first uncovered in bioluminescent microbes. This principle of "aut... Read More

Circle of Microbes

Diverse types of microbial growth with different phenotypes on MRSA Brilliance agar. Air sample was collected from experimental animal house with special air sampler and plated onto MRSA agar for Methicillin resistant Staphylococcus aureus enumeration. It was incubated at 37 degree Celsius for 2... Read More

Infection with multiple HIV-1 variants leads to poorer clinical outcomes

HIV-1 infection with multiple founder variants points to poorer clinical outcomes than infection with a single variant, according to a paper published today in the journal Nature Medicine. Read More

"Never Really Alone" with Rob Dunn

As part of my freshman writing seminar in the Fall of 2014, I was fortunate to have a number of fascinating experts in symbioses and parasitism be willing to "televisit" my students. Here is Dr. Rob Dunn of North Carolina State University, discussing his laboratory's work with Demodex face mite... Read More

Interesting morphology on finger tip

Close up of an unwashed finger, print done by a student. The student later informed me that part of his job in the morning was feeding chickens on the farm. Read More
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